Uniformly Accelerated Motion and its Relations, Velocity-Time, Position-Time Graph NEET Questions

Physics - Kinematics

Uniformly Accelerated Motion and its Relations, Velocity-Time, Position-Time Graph MCQ Questions


7.
Which kinematic equation directly relates velocity, displacement and acceleration without involving time?
A.
v = v₀ + at
B.
x = v₀t + ½at²
C.
v² = v₀² + 2ax
D.
x = (v+v₀)t/2
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ANSWER :
C. v² = v₀² + 2ax
8.
A ball is dropped from rest. The distance fallen in the 3rd second (g = 10 m/s²) is:
A.
25 m
B.
45 m
C.
5 m
D.
10 m
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ANSWER :
A. 25 m
9.
Stopping distance is proportional to the square of initial velocity. If velocity is doubled, stopping distance becomes:
A.
2 times
B.
4 times
C.
8 times
D.
½ times
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ANSWER :
B. 4 times
10.
For uniformly accelerated motion, average velocity equals:
A.
(v₀ + v)/2
B.
v₀ + at
C.
v₀ only
D.
v only
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ANSWER :
A. (v₀ + v)/2
11.
A body falls from rest. Distances in successive equal time intervals are in ratio:
A.
1:2:3:4
B.
1:4:9:16
C.
1:3:5:7
D.
2:4:6:8
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ANSWER :
C. 1:3:5:7
12.
An object moving with positive velocity has negative acceleration. On the v-t graph, this appears as:
A.
A line with positive slope
B.
A horizontal line
C.
A line with negative slope
D.
A parabola
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ANSWER :
C. A line with negative slope